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What's the difference between an argument and a parameter?
...ng else. Either way the other people know what I mean, but what's correct, and what's the history of the terms?
34 Answers
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Reliable method to get machine's MAC address in C#
...it is running using C#. Application will need to work on XP/Vista/Win7 32 and 64 bit as well as on those OSs but with a foreign language default. Many of the C# commands and OS queries don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreli...
Multidimensional Array [][] vs [,] [duplicate]
...
One is an array of arrays, and one is a 2d array. The former can be jagged, the latter is uniform.
That is, a double[][] can validly be:
double[][] x = new double[5][];
x[0] = new double[10];
x[1] = new double[5];
x[2] = new double[3];
x[3] = new d...
Wrong requestCode in onActivityResult
... Just a note: if you use startActivityForResult in a fragment and expect the result from onActivityResult in that fragment, just make sure you call super.onActivityResult in the host activity (in case you override that method there). This is because the activity's onActivityResult seems...
Why does JPA have a @Transient annotation?
...he transient keyword, that field will not be serialized when the object is converted to a byte stream. Furthermore, since JPA treats fields marked with the transient keyword as having the @Transient annotation, the field will not be persisted by JPA either.
On the other hand, fields annotated @Tra...
StringIO in Python3
... StringIO module. For a more direct solution the message TypeError: Can't convert 'bytes' object to str implicitly, see this answer.
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How can I remove duplicate rows?
...you have a GUID instead of an integer, you can replace
MIN(RowId)
with
CONVERT(uniqueidentifier, MIN(CONVERT(char(36), MyGuidColumn)))
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How to elegantly check if a number is within a range?
How can I do this elegantly with C# and .NET 3.5/4?
27 Answers
27
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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
... answered Mar 7 '11 at 17:36
Andrzej DoyleAndrzej Doyle
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How to check for a valid URL in Java?
...hat you can set to control how this class behaves, by default http, https, and ftp are accepted.
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